![subject](/tpl/images/cats/mat.png)
Mathematics, 27.11.2019 21:31 avlenlestrade
The manufacturer of a certain engine treatment claims that if you add their product to your engine, it will be protected from excessive wear. an infomercial claims that a woman drove 4 hours without oil, to the engine treatment. a magazine tested engines in which they added the treatment to the motor oil, ran the engines, drained the oil, and then determined the time until the engines seized. complete parts (a) and (b) below.
determine the null and alternative hypotheses that the magazine will test
upper h0: μσgreater than> less than upper h0: μσgreater than> less than (b) both engines took exactly 19 minutes to seize. what conclusion might the magazine make based on this evidence? a. the infomercial's claim is true. b.the infomercial's claim is not true
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:30
Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30
Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:30
How many times larger is 6 × 10^12 than 2 × 10^7? a. 30,000 b. 3,000 c. 3,000,000 d. 300,000
Answers: 1
![question](/tpl/images/cats/mat.png)
You know the right answer?
The manufacturer of a certain engine treatment claims that if you add their product to your engine,...
Questions
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.11.2021 07:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.11.2021 07:30
![question](/tpl/images/cats/himiya.png)
Chemistry, 20.11.2021 07:30
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 20.11.2021 07:30
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 20.11.2021 07:30
![question](/tpl/images/cats/en.png)
English, 20.11.2021 07:30
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
English, 20.11.2021 07:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.11.2021 07:30
![question](/tpl/images/cats/mat.png)
Mathematics, 20.11.2021 07:30
![question](/tpl/images/cats/User.png)